{"id":310,"date":"2010-06-11T04:51:16","date_gmt":"2010-06-11T10:51:16","guid":{"rendered":"http:\/\/blog.supportpro.com\/?p=310"},"modified":"2019-10-30T06:15:33","modified_gmt":"2019-10-30T12:15:33","slug":"server-crash-every-day-httpd-consumes-all-memory","status":"publish","type":"post","link":"https:\/\/www.supportpro.com\/blog\/server-crash-every-day-httpd-consumes-all-memory\/","title":{"rendered":"Server crash every day, httpd consumes all memory"},"content":{"rendered":"<p>Do the following:<\/p>\n<p>1. Upgrade the kernel. The one you are running is slow, has bugs and has security vulnerabilities<\/p>\n<p>2. Make sure you are an up to date compilation of httpd and php (i.e. rebuild it through WHM).<\/p>\n<p>3. Check in WHM &gt; Apache Status to see what the children hogging resources are doing<\/p>\n<p><!--more--><\/p>\n<p>4. When the server is under load, run the following to see if youre getting DOSed from a single IP address:<\/p>\n<p>netstat -autpn | grep :80<\/p>\n<p>If you are, install an iptables firewall (e.g. APF wth anti-dos enabled and BFD installed) and block it. This would be a good idea anyway.<\/p>\n<p>5. Install mod_dosevasive and mod_security<\/p>\n<p>Also Modify the following to a reasonable value in Whm<\/p>\n<p>WHM &gt; Security &gt; Modify Apache Memory Usage<\/p>\n<p>If you require help, <a href=\"https:\/\/www.supportpro.com\/requestquote.php\">contact SupportPRO Server Admin<\/a><\/p>\n<p style=\"text-align: center;\"><!--HubSpot Call-to-Action Code --><span id=\"hs-cta-wrapper-9d590242-d641-4383-94b4-8cfd62f0af6b\" class=\"hs-cta-wrapper\"><span id=\"hs-cta-9d590242-d641-4383-94b4-8cfd62f0af6b\" class=\"hs-cta-node hs-cta-9d590242-d641-4383-94b4-8cfd62f0af6b\"><!-- [if lte IE 8]><\/p>\n\n\n\n\n\n<div id=\"hs-cta-ie-element\"><\/div>\n\n\n<![endif]--><a href=\"https:\/\/www.supportpro.com\/freecheckup.php\"><img decoding=\"async\" id=\"hs-cta-img-9d590242-d641-4383-94b4-8cfd62f0af6b\" class=\"hs-cta-img\" style=\"border-width: 0px;\" src=\"https:\/\/no-cache.hubspot.com\/cta\/default\/2725694\/9d590242-d641-4383-94b4-8cfd62f0af6b.png\" alt=\"Server not running properly? Get A FREE Server Checkup By Expert Server Admins - $125 Value\" \/><\/a><\/span><script charset=\"utf-8\" src=\"https:\/\/js.hscta.net\/cta\/current.js\"><\/script><script type=\"text\/javascript\"> hbspt.cta.load(2725694, '9d590242-d641-4383-94b4-8cfd62f0af6b', {}); <\/script><\/span><!-- end HubSpot Call-to-Action Code --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Do the following: 1. Upgrade the kernel. The one you are running is slow, has bugs and has security vulnerabilities 2. Make sure you are an up to date compilation&hellip;<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[3],"tags":[],"class_list":["post-310","post","type-post","status-publish","format-standard","hentry","category-technical-articles"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.9.9 - aioseo.com -->\n\t<meta name=\"description\" content=\"Do the following: 1. Upgrade the kernel. The one you are running is slow, has bugs and has security vulnerabilities 2. Make sure you are an up to date compilation of httpd and php (i.e. rebuild it through WHM). 3. 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